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FiiO K17 Desktop Streaming DAC & Headphone Amp | 4000mW Balanced Output

FiiO K17 Desktop Streaming DAC & Headphone Amp | 4000mW Balanced Output

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FiiO K17 Desktop Streaming DAC & Headphone Amplifier Experience the future of desktop Hi-Fi with the FiiO K17. As a... Read more

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    Description

    FiiO K17 Desktop Streaming DAC & Headphone Amplifier

    Experience the future of desktop Hi-Fi with the FiiO K17. As a versatile all-in-one powerhouse, the K17 combines a high-end DAC, a potent headphone amplifier, and a lossless streaming receiver into a single, elegant chassis. Featuring a stunning 3.93-inch touchscreen and flagship-grade internal components, it is designed to be the central hub of your premium audio system.

    Flagship AKM DAC & Discrete Amplification

    Dual AK4191+AK4499EX DAC Setup The K17 employs AKM’s latest flagship DAC combination, utilizing two AK4499EX chips to process each channel independently. This digital/analog separated architecture ensures a pristine, high-resolution soundstage with ultra-low background noise and exceptional detail.

    Desktop-Class 4000mW Output Engineered with a discrete AB-class balanced amplification circuit and premium ON Semiconductor MJE243G/253G transistors, the K17 delivers a massive 4000mW+4000mW of power (at 32Ω). This provides enough headroom to drive even the most demanding full-size planar magnetic headphones with effortless dynamics.

    Professional-Grade DSP & Lossless PEQ

    31-Band High-Precision PEQ Driven by a professional M21586Q DSP chip, the K17 supports 31-band lossless PEQ (Parametric Equalizer) across all input modes. This allows you to fine-tune frequency response curves, simulate specific headphone signatures, or correct room acoustics without any sampling rate conversion (SRC) loss.

    Total Control via 3.93-Inch Touchscreen Navigate your music and settings with ease. The integrated full-color LCD touchscreen provides an intuitive interface for switching between the 8 working modes, adjusting gain levels, and visualizing real-time sampling rates or EQ curves.

    Technical Specifications (Official Data)

    Feature Detailed Specification
    DAC Chipset AK4191 + AK4499EX *2
    Max Output Power 4000mW + 4000mW (32Ω, Balanced/Super Large Headphone Mode)
    Main Processor X2000 (System) / XMOS XU316 (USB)
    Decoding Support Up to 768kHz/32bit PCM, DSD512 (Native), MQA Full Decoder
    Working Modes USB DAC, Optical, Coaxial, Line-in, Bluetooth, Streaming, Local Play
    Connectivity 2.4G WiFi / 1000Mbps Ethernet / Bluetooth 5.1 (LDAC)
    Power Supply Built-in 35W Low-Noise Linear Power Supply
    Dimensions / Weight 244.6 x 213 x 66.8 mm / Approx. 2750g

    Why the FiiO K17 is a Game-Changer

    • 8-in-1 Versatility: From Roon Ready streaming and AirPlay to local USB drive playback and traditional DAC modes, the K17 handles it all.

    • Isolated Power Design: Features a dedicated 35W linear transformer with five 4700μF capacitors to ensure pure, stable power for both digital and analog stages.

    • Bluetooth 5.1 Excellence: Supports premium codecs including LDAC, aptX HD, and aptX Adaptive for a wire-free Hi-Fi experience.

    • Premium Build: A CNC-machined aluminum alloy body with an integrated status light ring and tactile volume knob.

    Frequently Asked Questions

    Does the K17 support local music playback?

    Yes. The K17 features a dedicated USB port for external hard drives or flash drives, allowing you to play high-resolution files locally without a computer.

    What is the "Super Large Headphone Mode"?

    This is a high-voltage gain mode specifically designed to provide the necessary voltage swing for high-impedance (e.g., 300Ω-600Ω) headphones to perform at their best.

    Specifications

    • Weight: 200gr
    • Usage: Indoor & outdoor

    Pros and cons

    • Sustainably produced
    • Ideal for everyday use
    • May discolor in direct sunlight
    • Banner image for:

    Desktop DAC and Headphone Amplifier

    31-band high-precision lossless PEQ | Discrete class AB transistorcurrent amplification headphone amplifier | Flagship AKMAK4191+AK4499EX*2 DAC | DÃC and headphone amplifierStreaming media receiver ·Local playback,4000mW+4000mWpowerful output | 3 ultra-low phase noise femtasecond crystatoscillators|Fully balanced design|35W low-frequency low-noiselinear power supply | 3.93-inch touchscreen | included infraredremote|2.4G/5G WlFl + Gigabit Ethernet

    <h2>Desktop DAC and Headphone Amplifier</h2>

    Exploring new frontiers Symphony of retroelegance and modern technology

    This is the next generation desktop decodingheadphone amplifier, aiming to be a uniqueand excellent performer. lt is a symphony ofretro elegance and cutting-edge technology,featuring a unique design and rich functionalityall wrapped in a powerful package. The FlOK17 is not only the upgraded successor to theK9 Pro,it is also an exploration of newpossibilities for a high-end desktop DAC andheadphone amplifier.

    <h2>Exploring new frontiers Symphony of retroelegance and modern technology</h2>
    • Banner image for: <h2>A mixing console for desktop HiFi<br/>Specialty chips for specialty uses<br/>Exceptionally strong</h2>

      A mixing console for desktop HiFi
      Specialty chips for specialty uses
      Exceptionally strong

      The K17 features an M21586Q DSP chip which iscapable of double- precision

      64-bit floating-pointcalculations, and runs at a high 360MHz clockfrequency.

      This chip is complemented by a highperformance ES9821Q

      ADC as well as a speciallycustomized ultra-low phase noise

      femtosecondcrystal oscillator. These three components

      allowthe user, in all modes, to utilize the 3l-band high,precision

      lossless PEQ. The PEQ is designed toensure the audio signal is

      still of high fidelity evenafter being processed. The chip also

      allows forrobust output protection functionality,

      ensuringthat headphones and other connected

      audioequipment are fully protected.

    • Banner image for: <h2>31-band high-precision lossless PEO</h2>

      31-band high-precision lossless PEO

      DEL (Dual Engine Limiter) technology together withproprietary

      algorithms allows the Kl7’s PEQ to becapable of dynamic range

      compression(DRC)/dynamic range expansion(DRE),limiter,

      andcompressor adjustment functions. PCM 44.1k~96ksignals can be

      processed in the PEQ without samplerate conversion.

      Fine adjustments of audioparameters are thus possible,allowing

      foradjustments such as a gain range of +12~-24dB and aQ

      value range of 0.4dB~128dB. The PEQ allows theuser

      to simulate or correct the frequency responsecurve PEQ settings

      can be easily exported, imported,shared, and saved - making it

      easy for anybody to usethe PEQ and correct or simulate various

      frequencyresponse curves of different headphones.

    • Banner image for: <h2>Discrete class AB transistor </h2><h2>currentamplification headphoneamplifier</h2>

      Discrete class AB transistor

      currentamplification headphoneamplifier

      An important part of the K17 is a carefully craftedfully discrete amplifier

      circuit for headphones. Thisdiscrete circuit is of an OP+

      transistor currentamplification design, equipped with the

      classic pairof ON Semiconductor MJE243/253 transistors.

      lt iscapable of producing high current with low outputimpedance.

      The result is up to 4000mW+4000mWoutput power

      in balanced mode, nearly double thatof the K9 Pro EsS. This allows it to easily

      drivevarious kinds of headphones and lEMs and

      toproduce smooth, pleasant. and natural sound.

    • Banner image for: <h2>AKM flagship DAC<br/>AK4191+AK4499EX*2</h2>

      AKM flagship DAC
      AK4191+AK4499EX*2

      In the Kl7 is the flagship AKM DAC chipcombination-AK4191+

      AK4499EX*2. TWOAK4499EX chips handle each channel.

      The8-channel to 4-channel LPF designreduces common mode

      interference,resulting in better channel separation anddynamics.

      lt also features a newlydesigned architecture with fully

      separateddigital/analog3portions, which alsoincorporates the newly

      developed “DWAROUTING”technology for an evencleaner

      audio background and improvedresolution.

    • Banner image for: <h2>Eight operating modes</h2>

      Eight operating modes

    • Banner image for: <h2>Physically separated boards</h2>

      Physically separated boards

      The various sections of the internal power supply,

      digital, andanalog sections are all located on physically separated

      circuitboards to avoid interference between them.

      This ensures theaccuracy and integrity of signal

      processing for purer, cleaneraudio output.

    • Banner image for: <h2>Precision power supply design<br/>35W low-noise linear power </h2><h2>supply Fivelarge 4700uF</h2><h2> electrolytic capacitors</h2>

      Precision power supply design
      35W low-noise linear power

      supply Fivelarge 4700uF

      electrolytic capacitors

      Powering the K17 is a custom high-quality

      low-noise transformer, ensuring the purity of thepower supplied.

      Additionally, five 4700uFelectrolytic capacitors provide

      ample powerreserves to ensure a steady supply of power.

    • Banner image for: <p>Precisely restored audio Every last detail audible<br/>3 ACCUSILICoN low phase noise<br/>femtosecond audio crystal oscillators</p>

      Precisely restored audio Every last detail audible
      3 ACCUSILICoN low phase noise
      femtosecond audio crystal oscillators

      The K17 employs three industry-leading ACCUSILICONultra-lowphase noise femtosecondcrystal oscillators.(45.1584MHz,49.1520MHz)andincluding the AS318-LAS318-Pro (24.576MHz). These significantly reduce theimpact of phase noise on audio signals, allowing audiosignals of various sampling rates to be precisely andfaithfully restored- resulting in purer and more consistent
      sound.

    • Banner image for: <h2>Dual-core design smooth stable experience</h2>

      Dual-core design smooth stable experience

      High-performance X2000 multi-core processor: The processor
      features a unique design consisting of a main XBurst@2 CPU corewith two logic CPUs plus an XBurst@ small core. This chip offersexcellent computing power with low power consumption. The X200ensures precise audio signal processing and stable, smooth audioplayback. Low-power ESP32-S3 SoC: Within this chip is a highperformance Xtensa 32-bit LX7 dual-core processor capable ofrunning up to 240MHz as well as an ultra-low power consumptionco-processor. This SoC allows the K17 to provide a fast and smoothuser experience.

    • Banner image for: <h2>Square and circle A surprisingly synergistic combo</h2>

      Square and circle A surprisingly synergistic combo

      The design cleverly blends square and circle into a harmonious whole, combining retroelegance with a modern technological aura, for a refreshing experience. There is thoughtfulconsideration in both functionality and design: examples include the multiple knobs existfor easier control, and a grid structure for faster heat dissipation.

    • Banner image for: <h2>Listen without worry Multiple<br/>protection systems</h2>

      Listen without worry Multiple
      protection systems

      Listen with peace of mind with various protection mechanismsthat can intelligently detect abnormal conditions and performautomatic protection to avoid damage to the device, includingheadphone amp temperature protection, transformertemperature protection, output overload protection, output DCprotection, and power input overcurrent protection.

    • Banner image for: <h2>Wired or wireless<br/>Always online</h2>

      Wired or wireless
      Always online

      The Ethernet port supports up toGigabit speeds for fast andstable data transmission. TheAP6256 Wi-Fi module supports2.4G and 5G wireless networksas an alternative yet equallystable method of transmittinglossless audio.

    <h2>Many usage scenarios</h2>

    Many usage scenarios

    Scenario 1: K17 is connected to a computer via UsB, with headphones and active speakers to be connected simultaneously

    <h2>Scenario 2: K17 is connected to a computer, plays music on a NAS through Roon.</h2>

    Scenario 2: K17 is connected to a computer, plays music on a NAS through Roon.

    <h2>Scenario<br/>connected to a digital music plaver via the front panel USB port, with headphones or active speakers connected</h2>

    Scenario
    connected to a digital music plaver via the front panel USB port, with headphones or active speakers connected

    <h2>Scenario 4: K17 is connected to a digital music player via the front panel UsB port, with headphones or active speakers connected.</h2>

    Scenario 4: K17 is connected to a digital music player via the front panel UsB port, with headphones or active speakers connected.

    • Banner image for: <h2>Buttons and ports labeled</h2>

      Buttons and ports labeled

    • Banner image for:
    • Banner image for: <h2>Packing list</h2>

      Packing list

      1------------K17*1

      ②--AC power cord*1

      ③Remote control*1

      ④XLR4 plugcover*1
      5-------Fuse*1
      6--------USB data cable*2

      ⑦Headphone plug adapter*1
      8--------Warranty card*1
      9-------Quick start guide*1

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